D# Aug Add 9 chord — Open D
1 voicing · Open D
Tuning:DADF#AD
Open position
1 / 1
Chord tones
D#
R
G
+4
B
+8
F
+2
D# Aug Add 9 in other tunings
Aug Add 9 in other keys — Open D
D# Aug Add 9 in Open D — video lessons
About D# Aug Add 9 in Open D
The D# Aug Add 9 chord contains the notes D#, G, B, F. In Open D tuning (strings: D–A–D–F#–A–D), the chord shapes differ from standard tuning because the open string pitches change. Open D tuning gives an open D major chord across all strings — ideal for slide guitar and Joni Mitchell-style playing. Diagrams above show all playable shapes in this tuning.